We are required to create a certain topic on our Evolutionary Biology class. And the topic is what i have choosen: "On the rapidity of antibiotic resistance evolution facilitated by a concentration gradient"
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We are required to create a certain topic on our Evolutionary Biology class. And the topic is what i have choosen: "On the rapidity of antibiotic resistance evolution facilitated by a concentration gradient"
QUESTION:
- As someone who had arleady an idea about Evolution, what are your thought in my title?
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- will be focusing on genetics as a whole, but also differentiating some specifics for bacterial genetics. The area where I want you to focus for this discussion is on a gene in a microorganism that provides a characteristic you find interesting. However, I want it to be a gene that is beneficial for the microbial cell, but allows for a negative impact related to the human. For example, some strains of Staphylococcus aureus have a gene, mecA, that makes them resistant to the antibiotic methicillin. They are commonly called methicillin-resistant S. aureus or MRSA. The gene is beneficial to the bacteria because it allows for their survival even in the presence of this antibiotic but is negative for humans because it limits what antibiotics can be used for treatment. There are a large range of options here including microbe structures as well as the production of various substances so don’t limit your search.Which question MOST likely may have led to the development of recombinant DNA technology? Can DNA be cut into fragments by restriction enzymes Can human genes be integrated into bacterial DNA so bacteria can copy the genes and produce their proteins? Can Can human genes be undifferentiated introduced into the cells be used to cells of people with and then separate into unique patterns? repair parts of the genetic disorders using a virus? body? Music off Zoom In Sign out V 0 2:53 100e Lenovo backs & SC 2$ 7 23 @ 4 3 t eTOPIC: Genetically Modified OrganismsIs this a good thing for the society or not?
- The Kishony performed a simple but elegant experiment using a “mega-plate.” Which of the following is a fair conclusion that can be drawn from this study? The majority of antibiotic resistance occurs via horizontal gene transfer (HGT) between Actinobacteria Sensitive bacteria may acquire resistance to high concentrations of the antibiotic through many mutations Bacteria will gradually lose resistance to an antibiotic if you plate them on a large enough plate Bacteria will migrate via chemotaxis away from recombinant phage used in phage therapyWhich question MOST likely may have led to the development of recombinant DNA technology? Can human genes be integrated into bacterial DNA so 1 2 Can Can DNA be cut into fragments by restriction enzymes Can human genes be introduced into the undifferentiated cells be used to cells of people with genetic disorders using repair parts of the bacteria can copy the genes and produce their proteins? and then separate into unique patterns? a virus? body? Sign out V O 9:20 Music off Zoom In 100e Lenovo backs & 24 8. 5 6. eBriefly discuss the following questions in 3 to 5 sentences. What is horizontal gene transfer? What are the three mechanisms for this to occur in bacteria? What are the components needed for the processes of transformation, conjugation, and transduction? How does each process occur? What genes are involved in each process? How do generalized and specialized transduction differ? What is the end result of each? What is recombination? What is the importance to bacteria & archaea? What are the two types of recombination? What are the details of each type? What components are needed for each type?
- Directions Please do some out of class research to help you answer the questions below. For part-a and part-c a citation is required. Please include a url and page/video title to indicate where you found your information. The citations for part-a and part-c can be the same, or different sources. Prompt Sometimes, changes or “mutations” occur that prevent genes from doing their job properly. Certain mutations in the BRCA genes make cells more likely to divide and change rapidly, which can lead to cancer. What are BRCA genes? What job do these genes normally do in the human body? Citation required. If you inherit a mutated version of a BRCA gene, does this mean you are guaranteed to develop cancer? What other changes must occur for cancer to develop? Citation required.Discuss that, Why is there a need for human experimentation?Greetings and thank you for your help Using 2 examples, explain how biology can be studied from a microscopic approach to a global approach.
- Do you agree with the statement “Almost all aspects of life are engineered at the molecular level, and without understanding molecules we can only have a very sketchy understanding of life itself.”Justify and support your answer using the important concepts learned from the module. What do you think is the future direction of all countries towards addressing SDG 3 using nanotechnology and or genetic engineering? Cite one (1) example of an emerging practice or application for guided and evidenced based decision- making that uses advanced techniques and equipment.When discussing next-generation sequencing technologies: Question 19 options: The reads are (longer/shorter) They produce (more/fewer) reads 1. more 2. fewer 3. longer 4. shorterIn the fall of 2019 the CDC announced that there had been a mutation in one of the influenza strains that was included in the 2019 vaccine. This mutation altered the strain of the virus slightly, making the vaccine less effective than in other years and that led to a small influenza outbreak during the 2019-2020 flu season. This occurred because of: O antigenic drift O antigenic shift crossing over transformation QUESTION 4 The Miller-Urey experiment was important because: it showed how early organic molecules evolved it proved that cells could be spontaneously generated under early Earth conditions O it showed that organic molecules could have been spontaneously generated under early Earth conditions it showed that only living things can produce organic molecules